Screwdriver head



FIG. 1 is a perspective view of a screwdriver head, showing my new invention;

FIG. 2 is a front elevation view of FIG. 1;

FIG. 3 is a right side elevation view of FIG. 2;

FIG. 4 is a top plan view taken along the sectional line 7—7 of FIG. 3;

FIG. 5 is a bottom plan view of FIG. 3; and,

FIG. 6 is a bottom plan view taken along the sectional line 9—9 of FIG. 3. 

The ornamental design for a screwdriver head, as shown and described. 